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51413284 = 22133492833
BaseRepresentation
bin1100010000100…
…0000100100100
310120202001202201
43010020010210
5101130211114
65033544244
71163001646
oct304100444
9116661681
1051413284
112702661a
1215275084
13a861780
146b84896
1547a8874
hex3108124

51413284 has 24 divisors (see below), whose sum is σ = 97206200. Its totient is φ = 23652864.

The previous prime is 51413281. The next prime is 51413309. The reversal of 51413284 is 48231415.

It can be written as a sum of positive squares in 4 ways, for example, as 3526884 + 47886400 = 1878^2 + 6920^2 .

It is not an unprimeable number, because it can be changed into a prime (51413281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16732 + ... + 19564.

Almost surely, 251413284 is an apocalyptic number.

It is an amenable number.

51413284 is a deficient number, since it is larger than the sum of its proper divisors (45792916).

51413284 is a wasteful number, since it uses less digits than its factorization.

51413284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199 (or 3197 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 51413284 is about 7170.3057117532. The cubic root of 51413284 is about 371.8420052076.

Adding to 51413284 its reverse (48231415), we get a palindrome (99644699).

The spelling of 51413284 in words is "fifty-one million, four hundred thirteen thousand, two hundred eighty-four".

Divisors: 1 2 4 13 26 52 349 698 1396 2833 4537 5666 9074 11332 18148 36829 73658 147316 988717 1977434 3954868 12853321 25706642 51413284